<template>
<div class="home">
about
</div>
</template> 

<script setup lang="ts" name="About">
import { onMounted, onUnmounted } from 'vue';
onMounted (()=>{
  console.log('about挂载了')
})
onUnmounted(()=>{
  console.log('about卸载了')
})
</script>
<style>

</style>